Variables Tested Variable Independent whats different between groups

Variables

Tested Variable § Independent § what’s different between groups? § how does _*__ affect ___? § If …

Tested Variable § Independent § what’s different between groups? § how does _*__ affect ___? § If … Outcome Variable § Dependent, measured § what are you looking for? § goes in the your data table § how does ___ affect _*__? § Then …

Tested Variable § Independent § what’s different between groups? § how does _*__ affect ___? § If … Controlled Variable § constants § things you keep the same in each group Outcome Variable § Dependent, measured § what are you looking for? § goes in the your data table § how does ___ affect _*__? § Then …

Tested Variable § Independent § what’s different between groups? § how does _*__ affect ___? § If … Controlled Variable § constants § things you keep the same in each group Outcome Variable § Dependent, measured § what are you looking for? § goes in the your data table § how does ___ affect _*__? § Then … Experimental Group § test group § Has the tested variable

Tested Variable § Independent § what’s different between groups? § how does _*__ affect ___? § If … Controlled Variable § constants § things you keep the same in each group Outcome Variable § Dependent, measured § what are you looking for? § goes in the your data table § how does ___ affect _*__? § Then … Experimental Group § test group § Has the tested variable Control Group § without tested variable § placebo

Finding variables in a data table Tested variable Experimental group Fertilizer brand A B C None Control group Data Table Outcome variable Height Week 1 Week 2 Week 3 Week 4